Native to:
Alaska,
Alberta,
British Columbia,
California,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Idaho,
Illinois,
Indiana,
Iowa,
Kentucky,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Dakota,
Northwest Territorie,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming
Introduced into:
Austria,
Belgium,
Bulgaria,
Central European Rus,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Hungary,
Ireland,
Newfoundland,
Norway,
Poland,
Romania,
South European Russi,
Sweden,
Switzerland,
Uzbekistan,
West Siberia,
Yugoslavia